When Amelia and Owen drop Betty to school she is alone in the back seat, later Leo is present in his car seat sleeping.
When Dr. Pierce performs an echo-cardiogram on CeCe, the image pops onto the monitor a moment before the wand actually touches CeCe.
Amelia and then Betty read a total of 3 different answers from Amelia's origami eight ball under flap five. Two answers could have been explained if the number next to five was used, not three.